The local orientational orders and structures of liquid and amorphous metals Au and Ni during rapid solidification

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	The local orientational orders and structures of liquid and amorphous metals Au and Ni during rapid solidification
	L. H. Wang; H. Z. Liu; K. Y. Chen; Z. Q. Hu
	1997
发表期刊	Physica B-Condensed Matter
ISSN	0921-4526
卷号	239 期号:3-4 页码:267-273
摘要	Based on the empirical embedded-atom method, the molecular dynamics studies of the local orientational orders and structures of liquid and amorphous solid of FCC-type metals Au and Ni are performed. During the rapid solidification, the amorphous structures can be obtained and their amorphous transition temperatures are determined. The icosahedral ordering and the short-range ordering are enhanced, and FCC-type as well as HCP-type ordering changes slightly during the quench of Au and Ni. In the mean time, the BCC-type ordering of Au is hardly enhanced, but that of Ni is weakened. The results of the simulation also indicate that the diffusion coefficients in Au and Ni decrease rapidly with decreasing temperature above their glass transition temperatures.
部门归属	acad sinica,inst met res,state key lab rsa,shenyang 110015,peoples r china.
关键词	Molecular Dynamics Rapid Solidification Local Orientational Orders Embedded-atom-method Transition-metals Fcc Metals Thermal-expansion Chemical-binding Reconstruction Potentials Simulation Surfaces Glass
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/38125
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	L. H. Wang,H. Z. Liu,K. Y. Chen,et al. The local orientational orders and structures of liquid and amorphous metals Au and Ni during rapid solidification[J]. Physica B-Condensed Matter,1997,239(3-4):267-273.
APA	L. H. Wang,H. Z. Liu,K. Y. Chen,&Z. Q. Hu.(1997).The local orientational orders and structures of liquid and amorphous metals Au and Ni during rapid solidification.Physica B-Condensed Matter,239(3-4),267-273.
MLA	L. H. Wang,et al."The local orientational orders and structures of liquid and amorphous metals Au and Ni during rapid solidification".Physica B-Condensed Matter 239.3-4(1997):267-273.